Cvitek sysDMA remap driver

This document describes the binding for Cvitek sysDMA remap register.

Required properties:
- compatible: "cvitek,sysdma_remap"
- reg: sysDMA remap register regions
- ch-remap: assign device for each sysDMA remap channel.
  There are maximum 16 channels can be assigned to remap register.
  But be noted that sysDMA can only support 8 channels at one time.


Example:
	sysdma_remap {
		compatible = "cvitek,sysdma_remap";
		reg = <0x0 0x03000154 0x0 0x10>;
		ch-remap = <CVI_I2S0_RX CVI_I2S0_TX CVI_I2S1_RX CVI_I2S1_TX
					CVI_SPI_NAND CVI_SPI_NAND CVI_I2S3_RX CVI_I2S3_TX>;
	};